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题目内容
（广东开放大学大英B（本22秋））
The factors determining how goods and services are ____________.
选择一项：
A. the profit motive
B. the demand of consumers
C. the desire of individuals to make the best use of their money
D. all of the above
选择一项：
A. the profit motive
B. the demand of consumers
C. the desire of individuals to make the best use of their money
D. all of the above
参考答案